Alright, let's work through 67461884 times 64987681 step by step
67461884 × 64987681 = 64987681 × (67461884)
+ 64987681 × 4 resulting in 259950724
+ 64987681 × 80 which equals 5199014480
+ 64987681 × 800 which equals 51990144800
+ 64987681 × 1000 giving us 64987681000
+ 64987681 × 60000 that results in 3899260860000
+ 64987681 × 400000 which equals 25995072400000
+ 64987681 × 7000000 that is equal 454913767000000
+ 64987681 × 60000000 that equals 3899260860000000

= 4384191397051004
